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Finding the Fourth Proportional to 16,362.96, 22,560.96 and 13,840.56

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Solution

The fourth proportional to 16,362.96, 22,560.96 and 13,840.56 is: 19,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,362.96 : 22,560.96 = 13,840.56 : x
  2. Step 2: Convert to fraction form
    16,362.96/22,560.96 = 13,840.56/x
  3. Step 3: Cross multiply
    16,362.96x = 22,560.96 × 13,840.56
  4. Step 4: Simplify right side
    16,362.96x = 312,256,320.54
  5. Step 5: Solve for x
    x = 312,256,320.54/16,362.96
  6. Step 6: Final answer
    x = 19,083.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.